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yan [13]
2 years ago
10

Evaluate x - 20 when x=3

Mathematics
2 answers:
ryzh [129]2 years ago
5 0

Answer:

-17

Step-by-step explanation:

Plug in 3:

3 - 20 =

Solve:

3-20 = -17

AVprozaik [17]2 years ago
4 0

Answer:

-17

Step-by-step explanation:

I replaced 3 for x, I solved the equation 3-20, which is equal to -17

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If John pays $144 for 9 pounds of pears, how much is each pound
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Answer:

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Step-by-step explanation:

We want to find the price per pound.

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\frac{cost}{pounds}

We know it costs $144 for 9 pounds of pears. Therefore, $144 is the cost and there are 9 pounds.

\frac{\$144}{9 pounds}

Divide.

\$16 /pound

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